`BESSEL_Y1`

— Bessel function of the second kind of order 1 ¶*Description*:`BESSEL_Y1(X)`

computes the Bessel function of the second kind of order 1 of`X`. This function is available under the name`BESY1`

as a GNU extension.*Standard*:Fortran 2008 and later

*Class*:Elemental function

*Syntax*:`RESULT = BESSEL_Y1(X)`

*Arguments*:`X`The type shall be `REAL`

.*Return value*:The return value is of type

`REAL`

. It has the same kind as`X`.*Example*:program test_besy1 real(8) :: x = 1.0_8 x = bessel_y1(x) end program test_besy1

*Specific names*:Name Argument Return type Standard `DBESY1(X)`

`REAL(8) X`

`REAL(8)`

GNU extension